Factor Info

ID 180571
Size 900 digits / 2989 bits
Status composite
Value 531618427592999243556267900573971282485535023295419423036708500137481251074948564676725135350568584005103637079671738442597115445838363081519229011299529894416704793957114574642827003370268834219230469282051330839922668590566736472011323578616740724380650994079937046132560366175299479128023469352401897693802017733102391030003293329722898257319487843794991716604874786134140319836032608861322942529437335567575852741199922790847875148446646499724062030690634452143420408114932088469539401550455245685268148317859487493374780594793978485778669935976355335780091279063329317921856284459006950385865856161441144080897299624175728580102571289404794985501147678772680107144050750452837551588536830067398962118522329975008085932478541193802080535380593557786076763241398325673719933579535957201779476275051215647971137655892680202589207657603586118829165388824107680593384824516340500621438261528613290511

Factorizations

Primary (ID: 179101) 25785723680423291494502376192531526522653945523 (proven prime)
(ID: 180572) 20616773614021459902705806131294016346418040176691772803709572149271268283416423481162161252839749571415553227522078421545322724540935024515696716235342645176738061285104312931672859844929850896417718537787362795733392652292218544674793704309910524390454342771624109298256931342019391662496765814072431774990592227548038178484212175880562421600944437425996395912863560835120389807081158008885081468118395558629638404400633838021243632344662704157303348269442435879432818583751259991200109955128136127446809336066029976044974137578832922392253542369275204391026110817565198000204159128176802805169480757190195662866484950191313988820814801385059486047332588587461652410333877445961482183353918492577547102821882760845573867130313445717145727874140379759821722664993729907932399810757899314238945531389654434189942992933326748571326377435367004481768475957 (composite)

Primary factorization keeps track of the smallest (known) prime factor. Secondary factorizations are old results kept when a new smaller prime factor is found, which occasionally happens with ECM.